http://www.cnr.it/ontology/cnr/individuo/prodotto/ID300896
Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3 (Articolo in rivista)
- Type
- Label
- Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3 (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.84.054440 (literal)
- Alternative label
Okuyama, D.; Ishiwata, S.; Takahashi, Y.; Yamauchi, K.; Picozzi, S.; Sugimoto, K.; Sakai, H.; Takata, M.; Shimano, R.; Taguchi, Y.; Arima, T.; Tokura, Y. (2011)
Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3
in Physical review. B, Condensed matter and materials physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Okuyama, D.; Ishiwata, S.; Takahashi, Y.; Yamauchi, K.; Picozzi, S.; Sugimoto, K.; Sakai, H.; Takata, M.; Shimano, R.; Taguchi, Y.; Arima, T.; Tokura, Y. (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- RIKEN; RIKEN; University of Tokyo; University of Tokyo; Japan Science & Technology Agency (JST); Consiglio Nazl Ric Superconducting & Innovat Mat; Japan Synchrotron Radiation Research Institute; RIKEN; University of Tokyo; Tohoku University (literal)
- Titolo
- Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3 (literal)
- Abstract
- Magnetically driven ferroelectric atomic displacements of the order of 10(-3) angstrom have been observed in orthorhombic (perovskite like) YMnO3 by a single-crystal synchrotron x-ray diffraction. The refined polar structure shows the characteristic bond alternation driven by the exchange striction in staggered Mn-O-Mn arrays with up arrow up arrow down arrow down arrow type ordering, giving rise to a spontaneous polarization along the a axis. First-principles calculations based on the Berry phase method as well as on the experimentally refined crystal structure can reproduce the observed polarization value. (literal)
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